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1033203-42-7

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1033203-42-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1033203-42-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,3,2,0 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1033203-42:
(9*1)+(8*0)+(7*3)+(6*3)+(5*2)+(4*0)+(3*3)+(2*4)+(1*2)=77
77 % 10 = 7
So 1033203-42-7 is a valid CAS Registry Number.

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